JP2846815B2 - Telephone equipment - Google Patents
Telephone equipmentInfo
- Publication number
- JP2846815B2 JP2846815B2 JP6128285A JP12828594A JP2846815B2 JP 2846815 B2 JP2846815 B2 JP 2846815B2 JP 6128285 A JP6128285 A JP 6128285A JP 12828594 A JP12828594 A JP 12828594A JP 2846815 B2 JP2846815 B2 JP 2846815B2
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- hold
- channel
- cordless
- connection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
- H04M1/72502—Cordless telephones with one base station connected to a single line
- H04M1/72505—Radio link set-up procedures
- H04M1/72513—On hold, intercom or transfer communication modes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
- H04M1/733—Cordless telephones with a plurality of base stations connected to a plurality of lines
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、複数のコードレス電話
機との無線制御を行う電話装置に関する。BACKGROUND OF THE INVENTION The present invention relates to a plurality of cordless telephones.
The present invention relates to a telephone device for wirelessly controlling a telephone.
【０００２】[0002]
【従来の技術】従来、この種の装置では、通話が保留に
されたときに、待機中のコードレス電話機には、制御チ
ャネルでＬＥＤ情報等を送ることにより、保留を通知す
るように構成されている。2. Description of the Related Art Conventionally, this type of apparatus is configured so that when a call is put on hold, the cordless telephone in standby is notified of the hold by sending LED information or the like through a control channel. I have.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記従
来例では、口頭転送を受けるコードレス電話機は待機中
のままであり、この後、応答操作が行われた時点で、使
用可能な空き通話チャネルを検出する動作を実行するよ
うになっている。したがって、応答操作をしてから保留
にした元の相手と通話ができるまでには、空き通話チャ
ネルに移行するまでの時間が必要であり、操作性が悪い
という問題点があった。However, in the above-mentioned conventional example, the cordless telephone receiving the oral transfer remains in a standby state, and then, when a response operation is performed, an available idle communication channel is detected. Is performed. Therefore, there is a problem that it takes time to shift to an idle communication channel from the time of performing a response operation to the time when a call can be made with the original party on hold, resulting in poor operability.
【０００４】本発明は、複数のコードレス電話機に通話
チャネルで保留を通知する処理を迅速に行うことができ
る電話装置を提供することを目的とする。[0004] The present invention provides a method for calling a plurality of cordless telephones.
The process of notifying the hold on the channel can be performed quickly
The purpose of the present invention is to provide a telephone device.
【０００５】[0005]
【課題を解決するための手段】本発明は、それぞれが対
応するコードレス電話機との無線制御を行う複数の接続
手段と、通話中の第１のコードレス電話機が保留を行っ
た場合に、前記第１のコードレス電話機に対応する第１
の接続手段を含む前記複数の接続手段に保留を通知する
制御手段とを有し、前記複数の接続手段は、対応するコ
ードレス電話機が通話チャネルに移っているかどうかを
判断して、前記第１の接続手段以外の複数の接続手段
は、対応するコードレス電話機を空き通話チャネルに移
動させてから保留を通知し、前記第１の接続手段は、前
記第１のコードレス電話機にそのまま保留を通知するこ
とを特徴とする。Means for Solving the Problems The present invention, each pair
Multiple connections for wireless control with corresponding cordless phones
Means and the first cordless telephone on call puts on hold
The first cordless telephone corresponds to the first cordless telephone.
Notifying the plurality of connecting means including the connecting means of the suspension
Control means, and the plurality of connection means includes
Whether the phone is moving to the call channel
Judging, a plurality of connecting means other than the first connecting means
Moves the corresponding cordless telephone to an available call channel.
The first connection means,
It characterized the this <br/> notifying directly hold the serial first cordless telephone.
【０００６】[0006]
【実施例】図１は、本発明の一実施例におけるブロック
構成図である。FIG. 1 is a block diagram showing an embodiment of the present invention.
【０００７】この実施例は、本発明をボタン電話装置に
適用したものであり、このボタン電話装置の主装置１
は、本装置全体を制御する制御部２と、各外線６−１、
６−２や各電話機９−１〜９−３の状態等を記憶するメ
モリ３と、各外線６−１、６−２と各電話機９−１〜９
−３との通話路を制御するスピーチネットワーク４と、
上記各外線６−１、６−２を収容し、着信検出、回線捕
捉／開放、ダイヤル送出を行う外線インタフェース５
と、各接続装置８−１〜８−３を収容し、これら接続装
置８−１〜８−３との通信を制御し、制御部２から各電
話機９−１〜９−３への各種制御情報を送出したり、各
電話機９−１〜９−３から制御部２への各種キー情報を
受信する内線インタフェース７とを有する。In this embodiment, the present invention is applied to a key telephone apparatus, and a main apparatus 1 of the key telephone apparatus.
Is a control unit 2 for controlling the entire apparatus, and each external line 6-1,
6-2, a memory 3 for storing the state of each telephone 9-1 to 9-3, etc., each external line 6-1 and 6-2, and each telephone 9-1 to 9-9.
-3, a speech network 4 for controlling the communication path with
An external line interface 5 that accommodates the external lines 6-1 and 6-2 and performs incoming call detection, line capture / release, and dial transmission.
And each of the connection devices 8-1 to 8-3, and controls communication with these connection devices 8-1 to 8-3. It has an extension interface 7 for transmitting information and receiving various key information from each of the telephones 9-1 to 9-3 to the control unit 2.
【０００８】また、各接続装置８−１〜８−３は、それ
ぞれ対応する電話機９−１〜９−３との無線制御を行
い、内線インタフェース７からの制御情報を電波に変換
して電話機９−１〜９−３に通知し、電話機９−１〜９
−３からの電波を変換して内線インタフェース７にキー
情報として通知する。Each of the connection devices 8-1 to 8-3 performs radio control with the corresponding telephone set 9-1 to 9-3, converts control information from the extension interface 7 into radio waves, and -1 to 9-3 and notify the telephones 9-1 to 9-9
-3 is converted and transmitted to the extension interface 7 as key information.
【０００９】また、電話機９−１〜９−３は、外線６−
１、６−２に対応して設けられたＬＥＤ付の外線キー１
０と、保留キー１１と、ハンドセット１２とを有する。The telephones 9-1 to 9-3 are connected to an outside line 6-
External key 1 with LED provided corresponding to 1, 6-2
0, a hold key 11, and a handset 12.
【００１０】図２は、図１に示すボタン電話装置の第１
の全体の動作を示すシーケンス図である。FIG. 2 shows a first example of the key telephone apparatus shown in FIG.
FIG. 7 is a sequence diagram showing an overall operation of the embodiment.
【００１１】まず、外線インタフェース５を介して制御
部２が外線６−１からの着信を検出すると、接続装置８
−１に対して電話機９−１を通話チャネルに導くよう指
示する。そこで、接続装置８−１は、空通話チャネルを
検出して該通話チャネルに移動するように電話機９−１
に対して制御チャネルでチャネル切り替えを指示し、電
話機９−１は、制御チャネルで切り替え完了通知を返送
し、該通話チャネルに移動する。First, when the control unit 2 detects an incoming call from the outside line 6-1 via the outside line interface 5, the connection unit 8
-1 to direct the telephone 9-1 to the communication channel. Then, the connection device 8-1 detects the idle communication channel and moves the telephone 9-1 so as to move to the communication channel.
Is instructed to switch the channel by the control channel, and the telephone set 9-1 returns a switch completion notification by the control channel and moves to the communication channel.
【００１２】また、制御部２は、同様の制御を接続装置
８−２、８−３に対して行い、結果として電話機９−
２、９−３も通話チャネルに移動することになる。The control unit 2 performs the same control on the connection devices 8-2 and 8-3, and as a result, the telephone 9-
2, 9-3 will also move to the speech channel.
【００１３】次に、制御部２は、各接続装置８−１、８
−２、８−３を介して各電話機９−１、９−２、９−３
に対して着信通知を行い、各電話機９−１、９−２、９
−３は着信音を鳴動し、外線キー１０−１１、１０−２
１、１０−３１のＬＥＤで着信（赤色速点滅）を表示す
る。Next, the control unit 2 controls the connection devices 8-1 and 8-8.
-2, 8-3 via telephone 9-1, 9-2, 9-3
To each telephone 9-1, 9-2, 9
-3 sounds a ringtone, and the outside line keys 10-11 and 10-2
Incoming calls (flashing red) are displayed on the LEDs 1 and 10-31.
【００１４】そこで、電話機９−１がオフフックする
と、オフフック情報が接続装置８−１を介して制御部２
に通知され、制御部２は、外線インタフェース５を制御
して外線６−１を捕捉して着信に応答し、スピーチネッ
トワーク４を制御して外線６−１と電話機９−１との通
話路を接続する。Then, when the telephone 9-1 goes off-hook, the off-hook information is transmitted to the control unit 2 via the connection device 8-1.
The control unit 2 controls the outside line interface 5 to capture the outside line 6-1 and respond to the incoming call, and controls the speech network 4 to change the communication path between the outside line 6-1 and the telephone 9-1. Connecting.
【００１５】また、制御部２は、接続装置８−２、８−
３を介して電話機９−２、９−３に対してビジー通知を
行う。これにより電話機９−２、９−３は着信音を停止
し、外線キー１０−２１、１０−３１のＬＥＤでビジー
（赤色点灯）を表示する。The control unit 2 includes connection devices 8-2 and 8-
3 to the telephones 9-2 and 9-3. As a result, the telephones 9-2 and 9-3 stop the ring tone and display busy (lit red) with the LEDs of the outside line keys 10-21 and 10-31.
【００１６】また、制御部２は、接続装置８−１を介し
て電話機９−１に対して使用中通知を行う。これによ
り、電話機９−１は着信音を停止し、外線キー１０−１
１のＬＥＤで使用中（緑色点灯）を表示する。さらに、
制御部２は、接続装置８−２、８−３を介して電話機９
−２、９−３に対し待機状態移行通知を行い、電話機９
−１のみが通話チャネルで外線６−１と通話中の状態に
なる。Further, the control unit 2 notifies the telephone set 9-1 of use through the connection device 8-1. As a result, the telephone 9-1 stops the ring tone and the outside line key 10-1.
The LED 1 is in use (lit green). further,
The control unit 2 controls the telephone 9 via the connection devices 8-2 and 8-3.
-2, 9-3 are notified of the transition to the standby state, and the telephone 9
Only -1 is in a communication channel with the outside line 6-1 on the communication channel.
【００１７】次に、電話機９−１が保留を行う場合の動
作を説明する。Next, the operation in the case where the telephone 9-1 puts on hold will be described.
【００１８】まず、接続装置８−１を介して保留キー１
１−１の押下情報が制御部２に通知され、制御部２は、
スピーチネットワーク４を制御して外線６−１に保留音
を接続する。また、接続装置８−２に対して電話機９−
２を通話チャネルに導くよう指示する。接続装置８−２
は、空通話チャネルを検出して該通話チャネルに移動す
るように電話機９−２に対して制御チャネルでチャネル
切り替えを指示し、電話機９−２は、制御チャネルで切
り替え完了通知を返送し、該通話チャネルに移動する。First, the hold key 1 is connected via the connection device 8-1.
The press information of 1-1 is notified to the control unit 2, and the control unit 2
By controlling the speech network 4, a hold tone is connected to the outside line 6-1. The telephone 9- is connected to the connection device 8-2.
2 is directed to the traffic channel. Connection device 8-2
Instructs the telephone 9-2 to switch the channel on the control channel so as to detect the idle communication channel and move to the communication channel, and the telephone 9-2 returns a switching completion notification on the control channel. Go to the call channel.
【００１９】さらに、制御部２は、同様の制御を接続装
置８−３に対して行い、結果として電話機９−３も通話
チャネルに移動することになる。Further, the control unit 2 performs the same control on the connection device 8-3, and as a result, the telephone 9-3 also moves to the communication channel.
【００２０】次に、制御部２は、各接続装置８−１、８
−２、８−３を介して各電話機９−１、９−２、９−３
に対して保留通知を行い、各電話機９−１、９−２、９
−３は外線キー１０−１１、１０−２１、１０−３１の
ＬＥＤで保留（赤色遅点滅）を表示する。Next, the control unit 2 controls each of the connection devices 8-1 and 8.
-2, 8-3 via telephone 9-1, 9-2, 9-3
, A hold notification is sent to each of the telephones 9-1, 9-2, 9
Reference numeral -3 denotes an LED of the outside line keys 10-11, 10-21, and 10-31, indicating that the LED is on hold (slow blinking red).
【００２１】ここまでで全電話機は、通話チャネルに移
行した状態で外線６−１の保留に応答できるようにな
る。At this point, all the telephones can respond to the hold of the outside line 6-1 in a state where the telephone has been switched to the communication channel.
【００２２】次に、電話機９−１の使用者がオンフック
して電話機９−２の使用者に対して口頭で転送を伝え、
電話機９−２の使用者が保留に応答する場合の動作を説
明する。Next, the user of the telephone 9-1 goes on-hook and verbally conveys the transfer to the user of the telephone 9-2.
The operation when the user of the telephone 9-2 responds to the hold will be described.
【００２３】まず、接続装置８−２を介して外線キー１
０−２１の押下情報とオフフック情報が制御部２に通知
される。これにより、制御部２は、スピーチネットワー
ク４を制御して外線６−１と電話機９−２との通話路を
接続する。また、接続装置８−１、８−３を介して電話
機９−１、９−３に対してビジー通知を行い、電話機９
−１、９−３は、外線キー１０−１１、１０−３１のＬ
ＥＤでビジー（赤色点灯）を表示する。First, the outside line key 1 is connected via the connection device 8-2.
Pressing information of 0-21 and off-hook information are notified to the control unit 2. Thereby, the control unit 2 controls the speech network 4 to connect the communication path between the outside line 6-1 and the telephone 9-2. Further, a busy notification is sent to the telephones 9-1 and 9-3 via the connection devices 8-1 and 8-3, and the telephone 9
-1, 9-3 are the L of the outside line keys 10-11, 10-31.
ED indicates busy (lit red).
【００２４】さらに、接続装置８−２を介して電話機９
−２に対して使用中通知を行い、電話機９−２は外線キ
ー１０−２１のＬＥＤで使用中（緑色点灯）を表示す
る。そして、接続装置８−１、８−３を介して電話機９
−１、９−３に対して待機状態移行通知を行い、電話機
９−２のみが通話チャネルで外線６−１と通話中の状態
となる。Further, the telephone 9 is connected via the connection device 8-2.
-2 is notified to the telephone 9-2, and the telephone 9-2 indicates that the telephone is in use (lit in green) by the LED of the outside line key 10-21. Then, the telephone 9 is connected via the connection devices 8-1 and 8-3.
-1 and 9-3 are notified of the transition to the standby state, and only the telephone 9-2 is in a state of talking with the outside line 6-1 on the communication channel.
【００２５】最後に、電話機９−２がオンフックして通
話を終了する場合の動作を説明する。Finally, the operation when the telephone 9-2 goes on-hook to end the call will be described.
【００２６】まず、接続装置８−２を介してオンフック
情報が制御部２に通知される。これにより、制御部２
は、外線インターフェース５を制御して外線６−１を開
放し、スピーチネットワーク４を制御して外線６−１と
電話機９−２との通話路を切断する。Firstly, on-hook information through the connection device 8-2 is notified to the control unit 2. Thereby, the control unit 2
Controls the outside line interface 5 to release the outside line 6-1, and controls the speech network 4 to disconnect the communication path between the outside line 6-1 and the telephone 9-2.
【００２７】また、接続装置８−２を介して電話機９−
２に対し待機状態移行通知を行い、電話機９−２は、待
機状態に移行する。さらに、全接続装置８−１、８−
２、８−３を介して制御チャネルを使用して全電話機９
−１、９−２、９−３に対して空通知を行い、全電話機
９−１、９−２、９−３は外線キー１０−１１、１０−
２１、１０−３１のＬＥＤで空（消灯）を表示する。The telephone 9- is connected via the connection device 8-2.
2 is notified of the transition to the standby state, and the telephone 9-2 transitions to the standby state. Further, all the connection devices 8-1, 8-
All telephones 9 using the control channel via 2, 8-3
-1, 9-2, and 9-3 are made empty, and all telephones 9-1, 9-2, and 9-3 are outside line keys 10-11 and 10-.
The LED (21, 10-31) indicates empty (unlit).
【００２８】なお、以上の説明では、電話機９−１が保
留を行った場合に、制御部２は接続装置８−２、８−３
を介して電話機９−２、９−３を共に通話チャネルに移
行させた後、電話機９−１、９−２、９−３に対して保
留を通知するようにしているが、本発明の実施例では制
御部２が接続装置８−１、８−２、８−３に対して保留
を通知し、各接続装置８−１、８−２、８−３が、対応
する電話機が通話チャネルに移っているかどうかを判断
して、接続装置８−１は、電話機９−１にそのまま保留
を通知し、接続装置８−２、８−３は、電話機９−２、
９−３を空通話チャネルに移動させてから保留を通知す
る。 In the above description , when the telephone set 9-1 has put on hold, the control unit 2 sets the connection devices 8-2 and 8-3.
Via after it transferred to both the speech channel to the telephone 9-2 and 9-3, but so as to notify a hold for a phone 9-1, 9-2, 9-3, practice of the present invention In the example, the control unit 2 notifies the connection devices 8-1, 8-2, and 8-3 of the suspension, and the connection devices 8-1, 8-2, and 8-3 correspond. Judging whether the telephone has shifted to the communication channel, the connection device 8-1 notifies the telephone 9-1 of the hold as it is, and the connection devices 8-2 and 8-3 transmit the telephone 9-2,
Move 9-3 to the idle channel and notify hold
You.
【００２９】このようにすれば、制御部２の負荷軽減お
よび保留処理全体のスピードアップが図れるという効果
がある。This has the effect of reducing the load on the control unit 2 and increasing the speed of the entire holding process.
【００３０】さらに、上記実施例では、電話機９−１が
保留した場合に、電話機９−２、９−３に対しては制御
チャネルでチャネル切り替えを行って通話チャネルに移
動した後、通話チャネルで保留を通知しているが、制御
チャネルでのチャネル切り替え通知に保留情報を付加
し、チャネル切り替えと保留通知とを制御チャネルだけ
で通知するようにしてもよい。Further, in the above embodiment, when the telephone set 9-1 is put on hold, the telephone sets 9-2 and 9-3 are switched over to the control channel by using the control channel and moved to the communication channel. Although the suspension is reported, the suspension information may be added to the channel switching notification on the control channel, and the channel switching and the suspension notification may be reported only on the control channel.
【００３１】[0031]
【発明の効果】以上説明したように、本発明によれば、
それぞれが対応するコードレス電話機との無線制御を行
う複数の接続手段と、通話中の第１のコードレス電話機
が保留を行った場合に、前記第１のコードレス電話機に
対応する第１の接続手段を含む前記複数の接続手段に保
留を通知する制御信号とを有し、前記複数の接続手段
は、対応するコードレス電話機が通話チャネルに移って
いるかどうかを判断して、前記第１の接続手段以外の複
数の接続手段は、対応するコードレス電話機を空き通話
チャネルに移動させてから保留を通知し、前記第１の接
続手段は、前記第１のコードレス電話機にそのまま保留
を通知することにより、複数のコードレス電話機の保留
を通知するために制御手段に負担がかかることなく、複
数のコードレス電話機に通話チャネルで保留を通知する
処理を迅速に行うことができるという効果がある。As described above, according to the present invention,
Each performs wireless control with the corresponding cordless telephone.
A plurality of connection means and a first cordless telephone during a call
Puts on hold the first cordless telephone
The plurality of connection means including the corresponding first connection means.
And a control signal for notifying the user that the plurality of connection means are provided.
Means that the corresponding cordless telephone is
It is determined whether or not there is a copy other than the first connection means.
Number of connection means, idle call the corresponding cordless telephone
After moving to the channel, notify the hold and
The connection means is held as it is in the first cordless telephone.
Notification of multiple cordless phones on hold
Notification without the burden on the control means.
Notify a number of cordless phones on hold on the call channel
There is an effect that processing can be performed quickly .
【図１】本発明の一実施例を示すブロック図である。FIG. 1 is a block diagram showing one embodiment of the present invention.
【図２】図１に示すボタン電話装置の第１の全体の動作
を示すシーケンス図である。FIG. 2 is a sequence diagram showing a first overall operation of the key telephone apparatus shown in FIG.
Claims (2)
の無線制御を行う複数の接続手段と； 通話中の第１のコードレス電話機が保留を行った場合
に、前記第１のコードレス電話機に対応する第１の接続
手段を含む前記複数の接続手段に保留を通知する制御手
段と； を有し、 前記複数の接続手段は、対応するコードレス電話機が通
話チャネルに移っているかどうかを判断して、前記第１
の接続手段以外の複数の接続手段は、対応するコードレ
ス電話機を空き通話チャネルに移動させてから保留を通
知し、前記第１の接続手段は、前記第１のコードレス電
話機にそのまま保留を通知する ことを特徴とする電話装
置。1. A cordless telephone, each of which corresponds to
A plurality of connection means for performing wireless control of a call ; when the first cordless telephone during a call has put on hold
A first connection corresponding to the first cordless telephone.
Control means for notifying the plurality of connection means including the means,
Stage and; has the plurality of connection means, the corresponding cordless phone through
It is determined whether or not to shift to the talk channel, and the first
A plurality of connection means other than the connection means of
Move the phone to an available call channel
And the first connection means is connected to the first cordless power supply.
A telephone device for notifying a talker of a hold as it is.
行った場合に、外線に保留音を接続するようにネットワ
ーク手段を制御する ことを特徴とする電話装置。2. The control means according to claim 1, wherein said first cordless telephone sets on hold.
If you do, the network will be
A telephone device for controlling a communication means.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6128285A JP2846815B2 (en) | 1994-05-18 | 1994-05-18 | Telephone equipment |
| CN95106312A CN1082774C (en) | 1994-05-18 | 1995-05-17 | Communication apparatus |
| EP95401145A EP0683588A3 (en) | 1994-05-18 | 1995-05-17 | Cordless key telephone system |
| SG1995000471A SG44316A1 (en) | 1994-05-18 | 1995-05-18 | Communication apparatus |
| US08/910,068 US6167262A (en) | 1994-05-18 | 1997-08-12 | Communication apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6128285A JP2846815B2 (en) | 1994-05-18 | 1994-05-18 | Telephone equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07312781A JPH07312781A (en) | 1995-11-28 |
| JP2846815B2 true JP2846815B2 (en) | 1999-01-13 |
Family
ID=14981046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6128285A Expired - Fee Related JP2846815B2 (en) | 1994-05-18 | 1994-05-18 | Telephone equipment |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6167262A (en) |
| EP (1) | EP0683588A3 (en) |
| JP (1) | JP2846815B2 (en) |
| CN (1) | CN1082774C (en) |
| SG (1) | SG44316A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6263061B1 (en) * | 1996-02-13 | 2001-07-17 | Kabushiki Kaish Toshiba | Digital button telephone system and extension terminal for the same |
| FR2764468A1 (en) | 1997-06-10 | 1998-12-11 | Philips Electronics Nv | WIRELESS TELEPHONE DEVICE |
| US6377811B1 (en) * | 1998-09-28 | 2002-04-23 | Sharp Laboratories Of America, Inc. | Wireless communications system and method of virtual line/direct station selection |
| NO991801L (en) * | 1999-04-15 | 2000-10-16 | Ericsson Telefon Ab L M | Procedure for improving a telephone system |
| US6359977B1 (en) * | 1999-05-06 | 2002-03-19 | Thomson Licensing S.A. | Telephone port with automatic detection and secure |
| JP3700604B2 (en) * | 2001-04-17 | 2005-09-28 | 日本電気株式会社 | Key telephone device and key telephone system |
| JP2003284143A (en) * | 2002-03-20 | 2003-10-03 | Sharp Corp | Phone communication apparatus |
| JP5450972B2 (en) * | 2008-03-31 | 2014-03-26 | Ｎｅｃインフロンティア株式会社 | Button telephone |
| KR20100042678A (en) * | 2008-10-02 | 2010-04-27 | 삼성전자주식회사 | Apparatus and method for presence service in portable communication system |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0815346B2 (en) * | 1985-08-27 | 1996-02-14 | 日本電信電話株式会社 | Wireless telephone system |
| EP0243900B1 (en) * | 1986-04-26 | 1993-07-21 | Nec Corporation | Radio key telephone system having a common signaling channel |
| JPS62253235A (en) * | 1986-04-26 | 1987-11-05 | Nec Corp | Radiotelephone equipment |
| JP2507436B2 (en) * | 1987-06-03 | 1996-06-12 | 日本電信電話株式会社 | Parent-child cordless telephone device |
| JPS6472632A (en) * | 1987-09-12 | 1989-03-17 | Sony Corp | Transfer system for cordless telephone system |
| JPH0243855A (en) * | 1988-08-04 | 1990-02-14 | Toshiba Corp | Radio telephone set |
| KR940010209B1 (en) * | 1990-04-17 | 1994-10-22 | 닛본덴기 가부시끼가이샤 | Cardless key telephone system capable of quickly answering incoming calls |
| AU636220B2 (en) * | 1990-04-17 | 1993-04-22 | Nec Corporation | Cordless key telephone system for covering multiple service areas having exclusively assigned control channels |
| US5517551A (en) * | 1990-12-04 | 1996-05-14 | Canon Kabushiki Kaisha | Telephone apparatus with dial key display for external line status |
| JP3025712B2 (en) * | 1991-05-20 | 2000-03-27 | パイオニアコミュニケーションズ株式会社 | Cordless telephone communication between slave units |
| JP2954389B2 (en) * | 1991-06-06 | 1999-09-27 | パイオニアコミュニケーションズ株式会社 | Cordless telephone transfer unit between handset units |
| JP2918357B2 (en) * | 1991-06-20 | 1999-07-12 | シャープ株式会社 | External transfer method for cordless telephones |
| JP2968099B2 (en) * | 1991-09-20 | 1999-10-25 | 明星電気株式会社 | Tenant control method for cordless button telephone system |
| US5259082A (en) * | 1992-02-28 | 1993-11-09 | Pavel Sebor | Mechanism for dislodging a submersible cleaning device from a surface |
| JPH06121009A (en) * | 1992-10-01 | 1994-04-28 | Uniden Corp | Cordless system telephone equipment |
-
1994
- 1994-05-18 JP JP6128285A patent/JP2846815B2/en not_active Expired - Fee Related
-
1995
- 1995-05-17 CN CN95106312A patent/CN1082774C/en not_active Expired - Fee Related
- 1995-05-17 EP EP95401145A patent/EP0683588A3/en not_active Withdrawn
- 1995-05-18 SG SG1995000471A patent/SG44316A1/en unknown
-
1997
- 1997-08-12 US US08/910,068 patent/US6167262A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US6167262A (en) | 2000-12-26 |
| SG44316A1 (en) | 1997-12-19 |
| JPH07312781A (en) | 1995-11-28 |
| CN1118128A (en) | 1996-03-06 |
| EP0683588A3 (en) | 1998-12-16 |
| CN1082774C (en) | 2002-04-10 |
| EP0683588A2 (en) | 1995-11-22 |
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|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |